| Callsign structure | # | Callsign structure, C - char, D - digit | Example | Callsigns | % | QSOs | % |
|---|
| 1 | C C D C C | AA0AI | 1465 | 29.61 % | | 2542 | 29.59 % | | | 2 | C C D C C C | BD0AAI | 1370 | 27.69 % | | 2124 | 24.73 % | | | 3 | C C D C | AA1K | 832 | 16.82 % | | 1799 | 20.94 % | | | 4 | C D C C | D2SC | 582 | 11.76 % | | 1020 | 11.87 % | | | 5 | C D C C C | C6ARU | 372 | 7.52 % | | 531 | 6.18 % | | | 6 | D C D C C | 0N4NR | 65 | 1.31 % | | 107 | 1.25 % | | | 7 | C D D C | E72M | 54 | 1.09 % | | 103 | 1.20 % | | | 8 | C D D C C | A45WH | 54 | 1.09 % | | 87 | 1.01 % | | | 9 | C D C | B1Z | 37 | 0.75 % | | 73 | 0.85 % | | | 10 | D C D C | 3W7W | 34 | 0.69 % | | 80 | 0.93 % | | | 11 | D C D C C C | 2E0CVN | 13 | 0.26 % | | 18 | 0.21 % | | | 12 | C C D C C C / D | IZ8JFL/1 | 8 | 0.16 % | | 14 | 0.16 % | | | 13 | C C D C C C / C C C | EA4EPY/QRP | 6 | 0.12 % | | 6 | 0.07 % | | | 14 | C C / C C D C C | EA/OK1GO | 5 | 0.10 % | | 8 | 0.09 % | | | 15 | C D D C C C | E21YDP | 4 | 0.08 % | | 6 | 0.07 % | | | 16 | C C D C C / C C C | EA1GT/QRP | 4 | 0.08 % | | 4 | 0.05 % | | | 17 | C C D C / D | RQ4D/7 | 3 | 0.06 % | | 5 | 0.06 % | | | 18 | C C D C C / C | HA8FY/P | 3 | 0.06 % | | 3 | 0.03 % | | | 19 | C C D C C C / C | DL1AQU/P | 3 | 0.06 % | | 7 | 0.08 % | | | 20 | C C / C D C C C | DL/W4GKR | 3 | 0.06 % | | 3 | 0.03 % | | | 21 | C C D / C D C C | DU1/R7KW | 2 | 0.04 % | | 6 | 0.07 % | | | 22 | C C D C C / C D | KH6MB/W5 | 2 | 0.04 % | | 2 | 0.02 % | | | 23 | C C D / C C D C C | HP3/VY2SS | 2 | 0.04 % | | 4 | 0.05 % | | | 24 | C C D D C C C C | DJ90IARU | 2 | 0.04 % | | 7 | 0.08 % | | | 25 | C D / C D C C | J6/K0AW | 2 | 0.04 % | | 3 | 0.03 % | | | 26 | D C D / C C D C | 9Y4/WJ2O | 1 | 0.02 % | | 1 | 0.01 % | | | 27 | C C D C C C C | DK0WRTC | 1 | 0.02 % | | 3 | 0.03 % | | | 28 | C D C C C / C | F6HBI/P | 1 | 0.02 % | | 1 | 0.01 % | | | 29 | C D D D C C C C | E790IARU | 1 | 0.02 % | | 1 | 0.01 % | | | 30 | C C D C C C C C | DJ9OIARU | 1 | 0.02 % | | 1 | 0.01 % | | | 31 | C / C D D C | F/E72T | 1 | 0.02 % | | 1 | 0.01 % | | | 32 | C / C C D C C | F/OM2ZA | 1 | 0.02 % | | 1 | 0.01 % | | | 33 | C D / C C D C C C | J3/KO8SCA | 1 | 0.02 % | | 1 | 0.01 % | | | 34 | D C D C C C / D | 7N2JZT/6 | 1 | 0.02 % | | 1 | 0.01 % | | | 35 | C C D / C C D C | HI3/ND3F | 1 | 0.02 % | | 3 | 0.03 % | | | 36 | C C D D C | OG55W | 1 | 0.02 % | | 1 | 0.01 % | | | 37 | C C D D D D C C C C C C OM2015TITANIC | 1 | 0.02 % | | 2 | 0.02 % | | | | 38 | C C / C C D C C C | DL/SP2UUU | 1 | 0.02 % | | 1 | 0.01 % | | | 39 | C D D D C C C | S530AZV | 1 | 0.02 % | | 1 | 0.01 % | | | 40 | C C D / C C D C C C | SM5/VE3DTI | 1 | 0.02 % | | 1 | 0.01 % | | | 41 | C C D C C C D C C | SZ1APR7AA | 1 | 0.02 % | | 1 | 0.01 % | | | 42 | C C D C / C D C C | UF6V/R6CZ | 1 | 0.02 % | | 4 | 0.05 % | | | 43 | C D / C D C C C | W4/G3LIK | 1 | 0.02 % | | 1 | 0.01 % | | | 44 | C D C C / D | W9OA/9 | 1 | 0.02 % | | 1 | 0.01 % | | | 45 | C C / C C D C | ZA/YT5Z | 1 | 0.02 % | | 1 | 0.01 % | |
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